CVE-2021-20315 - CVE House
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Status published Medium CVE-2021-20315

A locking protection bypass flaw was found in some versions...

Vulnerability Description

A locking protection bypass flaw was found in some versions of gnome-shell as shipped within CentOS Stream 8, when the "Application menu" or "Window list" GNOME extensions are enabled. This flaw allows a physical attacker who has access to a locked system to kill existing applications and start new ones as the locked user, even if the session is still locked.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

gnome-shell
Vulnerable Versions:
gnome-shell 3.32.2-40.el8

Timeline

Official Publish: February 18th, 2022
Last Modified: August 3rd, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Weaknesses (CWE)

CWE-667

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.